Packages typically include a mast collar for a 1-1/4 in. OD mast with a welded bearing mount top plate . Design for Rohn TB-3 / TB-4 & Universal UV-TB158 & UV-TB2316 thrust bearing, sold separately. Packages are available with other mast collar sizes( Select Optional Pipe Collar Size on Checkout  ) ,  and without bearing top plate are available by request. A variety of optional Rotator Plates are also available. Chose yours to fit the top section of the tower package selected; R-11, R-14 or R-18. Each is available undrilled or predrilled for popular rotator models. Universal Towers Aluminum Masts in various lengths and sizes are available as well.

Also Available -Tower Assembly Top Beacon Plate used for Mounting Beacon Lighting ,Meteorological test antennas , Cameras , WIFI Antennas .Universal BP-11  Assembly Plate Top Beacon Plate fits on top of 11-TOP , 14-TOP & 18-TOP  on the regular  Main Tower Sections . Hardware to Bolt to  Main Section is Included, absent is the Beacon Mounting Hardware which should be sourced with the Beacon itself